Finding the Fourth Proportional to 1,072,642.05, 1,608,961.68 and 273,924.18
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Solution
The fourth proportional to 1,072,642.05, 1,608,961.68 and 273,924.18 is: 410,885.91
Step by Step Solution
- Step 1: Write the proportion equation
1,072,642.05 : 1,608,961.68 = 273,924.18 : x - Step 2: Convert to fraction form
1,072,642.05/1,608,961.68 = 273,924.18/x - Step 3: Cross multiply
1,072,642.05x = 1,608,961.68 × 273,924.18 - Step 4: Simplify right side
1,072,642.05x = 440,733,508,845.42 - Step 5: Solve for x
x = 440,733,508,845.42/1,072,642.05 - Step 6: Final answer
x = 410,885.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.